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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2012 Inktank Storage, Inc. | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
7c673cae | 15 | #include <sys/utsname.h> |
92f5a8d4 TL |
16 | #include <fstream> |
17 | #include <boost/algorithm/string.hpp> | |
7c673cae FG |
18 | |
19 | #include "include/compat.h" | |
20 | #include "include/util.h" | |
21 | #include "common/debug.h" | |
22 | #include "common/errno.h" | |
7c673cae FG |
23 | #include "common/version.h" |
24 | ||
25 | #ifdef HAVE_SYS_VFS_H | |
26 | #include <sys/vfs.h> | |
27 | #endif | |
28 | ||
11fdf7f2 | 29 | #if defined(__APPLE__) || defined(__FreeBSD__) |
7c673cae FG |
30 | #include <sys/param.h> |
31 | #include <sys/mount.h> | |
11fdf7f2 TL |
32 | #if defined(__APPLE__) |
33 | #include <sys/types.h> | |
34 | #include <sys/sysctl.h> | |
35 | #endif | |
7c673cae FG |
36 | #endif |
37 | ||
181888fb FG |
38 | #include <string> |
39 | ||
40 | #include <stdio.h> | |
41 | ||
7c673cae FG |
42 | int get_fs_stats(ceph_data_stats_t &stats, const char *path) |
43 | { | |
44 | if (!path) | |
45 | return -EINVAL; | |
46 | ||
47 | struct statfs stbuf; | |
48 | int err = ::statfs(path, &stbuf); | |
49 | if (err < 0) { | |
50 | return -errno; | |
51 | } | |
52 | ||
53 | stats.byte_total = stbuf.f_blocks * stbuf.f_bsize; | |
54 | stats.byte_used = (stbuf.f_blocks - stbuf.f_bfree) * stbuf.f_bsize; | |
55 | stats.byte_avail = stbuf.f_bavail * stbuf.f_bsize; | |
56 | stats.avail_percent = (((float)stats.byte_avail/stats.byte_total)*100); | |
57 | return 0; | |
58 | } | |
59 | ||
60 | static char* value_sanitize(char *value) | |
61 | { | |
62 | while (isspace(*value) || *value == '"') | |
63 | value++; | |
64 | ||
65 | char* end = value + strlen(value) - 1; | |
66 | while (end > value && (isspace(*end) || *end == '"')) | |
67 | end--; | |
68 | ||
69 | *(end + 1) = '\0'; | |
70 | ||
71 | return value; | |
72 | } | |
73 | ||
74 | static bool value_set(char *buf, const char *prefix, | |
75 | map<string, string> *pm, const char *key) | |
76 | { | |
77 | if (strncmp(buf, prefix, strlen(prefix))) { | |
78 | return false; | |
79 | } | |
80 | ||
81 | (*pm)[key] = value_sanitize(buf + strlen(prefix)); | |
82 | return true; | |
83 | } | |
84 | ||
85 | static void file_values_parse(const map<string, string>& kvm, FILE *fp, map<string, string> *m, CephContext *cct) { | |
86 | char buf[512]; | |
87 | while (fgets(buf, sizeof(buf) - 1, fp) != NULL) { | |
88 | for (auto& kv : kvm) { | |
89 | if (value_set(buf, kv.second.c_str(), m, kv.first.c_str())) | |
90 | continue; | |
91 | } | |
92 | } | |
93 | } | |
94 | ||
95 | static bool os_release_parse(map<string, string> *m, CephContext *cct) | |
96 | { | |
11fdf7f2 | 97 | #if defined(__linux__) |
7c673cae FG |
98 | static const map<string, string> kvm = { |
99 | { "distro", "ID=" }, | |
100 | { "distro_description", "PRETTY_NAME=" }, | |
101 | { "distro_version", "VERSION_ID=" } | |
102 | }; | |
103 | ||
104 | FILE *fp = fopen("/etc/os-release", "r"); | |
105 | if (!fp) { | |
106 | int ret = -errno; | |
107 | lderr(cct) << "os_release_parse - failed to open /etc/os-release: " << cpp_strerror(ret) << dendl; | |
108 | return false; | |
109 | } | |
110 | ||
111 | file_values_parse(kvm, fp, m, cct); | |
112 | ||
113 | fclose(fp); | |
11fdf7f2 TL |
114 | #elif defined(__FreeBSD__) |
115 | struct utsname u; | |
116 | int r = uname(&u); | |
117 | if (!r) { | |
118 | m->insert(std::make_pair("distro", u.sysname)); | |
119 | m->insert(std::make_pair("distro_description", u.version)); | |
120 | m->insert(std::make_pair("distro_version", u.release)); | |
121 | } | |
122 | #endif | |
7c673cae FG |
123 | |
124 | return true; | |
125 | } | |
126 | ||
127 | static void distro_detect(map<string, string> *m, CephContext *cct) | |
128 | { | |
129 | if (!os_release_parse(m, cct)) { | |
130 | lderr(cct) << "distro_detect - /etc/os-release is required" << dendl; | |
131 | } | |
132 | ||
94b18763 | 133 | for (const char* rk: {"distro", "distro_description"}) { |
7c673cae FG |
134 | if (m->find(rk) == m->end()) |
135 | lderr(cct) << "distro_detect - can't detect " << rk << dendl; | |
136 | } | |
137 | } | |
138 | ||
11fdf7f2 TL |
139 | int get_cgroup_memory_limit(uint64_t *limit) |
140 | { | |
141 | // /sys/fs/cgroup/memory/memory.limit_in_bytes | |
142 | ||
143 | // the magic value 9223372036854771712 or 0x7ffffffffffff000 | |
144 | // appears to mean no limit. | |
145 | FILE *f = fopen(PROCPREFIX "/sys/fs/cgroup/memory/memory.limit_in_bytes", "r"); | |
146 | if (!f) { | |
147 | return -errno; | |
148 | } | |
149 | char buf[100]; | |
150 | int ret = 0; | |
151 | long long value; | |
152 | char *line = fgets(buf, sizeof(buf), f); | |
153 | if (!line) { | |
154 | ret = -EINVAL; | |
155 | goto out; | |
156 | } | |
157 | if (sscanf(line, "%lld", &value) != 1) { | |
158 | ret = -EINVAL; | |
159 | } | |
160 | if (value == 0x7ffffffffffff000) { | |
161 | *limit = 0; // no limit | |
162 | } else { | |
163 | *limit = value; | |
164 | } | |
165 | out: | |
166 | fclose(f); | |
167 | return ret; | |
168 | } | |
169 | ||
170 | ||
7c673cae FG |
171 | void collect_sys_info(map<string, string> *m, CephContext *cct) |
172 | { | |
173 | // version | |
174 | (*m)["ceph_version"] = pretty_version_to_str(); | |
11fdf7f2 TL |
175 | (*m)["ceph_version_short"] = ceph_version_to_str(); |
176 | (*m)["ceph_release"] = ceph_release_to_str(); | |
7c673cae FG |
177 | |
178 | // kernel info | |
179 | struct utsname u; | |
180 | int r = uname(&u); | |
181 | if (r >= 0) { | |
182 | (*m)["os"] = u.sysname; | |
183 | (*m)["kernel_version"] = u.release; | |
184 | (*m)["kernel_description"] = u.version; | |
185 | (*m)["hostname"] = u.nodename; | |
186 | (*m)["arch"] = u.machine; | |
187 | } | |
188 | ||
91327a77 | 189 | // but wait, am i in a container? |
11fdf7f2 TL |
190 | bool in_container = false; |
191 | ||
91327a77 AA |
192 | if (const char *pod_name = getenv("POD_NAME")) { |
193 | (*m)["pod_name"] = pod_name; | |
11fdf7f2 TL |
194 | in_container = true; |
195 | } | |
196 | if (const char *container_name = getenv("CONTAINER_NAME")) { | |
197 | (*m)["container_name"] = container_name; | |
198 | in_container = true; | |
199 | } | |
200 | if (const char *container_image = getenv("CONTAINER_IMAGE")) { | |
201 | (*m)["container_image"] = container_image; | |
202 | in_container = true; | |
203 | } | |
204 | if (in_container) { | |
91327a77 AA |
205 | if (const char *node_name = getenv("NODE_NAME")) { |
206 | (*m)["container_hostname"] = u.nodename; | |
207 | (*m)["hostname"] = node_name; | |
208 | } | |
11fdf7f2 TL |
209 | if (const char *ns = getenv("POD_NAMESPACE")) { |
210 | (*m)["pod_namespace"] = ns; | |
211 | } | |
91327a77 AA |
212 | } |
213 | ||
11fdf7f2 TL |
214 | #ifdef __APPLE__ |
215 | // memory | |
216 | { | |
217 | uint64_t size; | |
218 | size_t len = sizeof(size); | |
219 | r = sysctlbyname("hw.memsize", &size, &len, NULL, 0); | |
220 | if (r == 0) { | |
221 | (*m)["mem_total_kb"] = std::to_string(size); | |
222 | } | |
223 | } | |
224 | { | |
225 | xsw_usage vmusage; | |
226 | size_t len = sizeof(vmusage); | |
227 | r = sysctlbyname("vm.swapusage", &vmusage, &len, NULL, 0); | |
228 | if (r == 0) { | |
229 | (*m)["mem_swap_kb"] = std::to_string(vmusage.xsu_total); | |
230 | } | |
231 | } | |
232 | // processor | |
233 | { | |
234 | char buf[100]; | |
235 | size_t len = sizeof(buf); | |
236 | r = sysctlbyname("machdep.cpu.brand_string", buf, &len, NULL, 0); | |
237 | if (r == 0) { | |
238 | buf[len - 1] = '\0'; | |
239 | (*m)["cpu"] = buf; | |
240 | } | |
241 | } | |
242 | #else | |
7c673cae | 243 | // memory |
92f5a8d4 TL |
244 | if (std::ifstream f{PROCPREFIX "/proc/meminfo"}; !f.fail()) { |
245 | for (std::string line; std::getline(f, line); ) { | |
246 | std::vector<string> parts; | |
247 | boost::split(parts, line, boost::is_any_of(":\t "), boost::token_compress_on); | |
248 | if (parts.size() != 3) { | |
249 | continue; | |
250 | } | |
251 | if (parts[0] == "MemTotal") { | |
252 | (*m)["mem_total_kb"] = parts[1]; | |
253 | } else if (parts[0] == "SwapTotal") { | |
254 | (*m)["mem_swap_kb"] = parts[1]; | |
7c673cae FG |
255 | } |
256 | } | |
7c673cae | 257 | } |
11fdf7f2 TL |
258 | uint64_t cgroup_limit; |
259 | if (get_cgroup_memory_limit(&cgroup_limit) == 0 && | |
260 | cgroup_limit > 0) { | |
92f5a8d4 | 261 | (*m)["mem_cgroup_limit"] = std::to_string(cgroup_limit); |
11fdf7f2 | 262 | } |
7c673cae FG |
263 | |
264 | // processor | |
92f5a8d4 TL |
265 | if (std::ifstream f{PROCPREFIX "/proc/cpuinfo"}; !f.fail()) { |
266 | for (std::string line; std::getline(f, line); ) { | |
267 | std::vector<string> parts; | |
268 | boost::split(parts, line, boost::is_any_of(":")); | |
269 | if (parts.size() != 2) { | |
270 | continue; | |
271 | } | |
272 | boost::trim(parts[0]); | |
273 | boost::trim(parts[1]); | |
274 | if (parts[0] == "model name") { | |
275 | (*m)["cpu"] = parts[1]; | |
7c673cae FG |
276 | break; |
277 | } | |
278 | } | |
7c673cae | 279 | } |
11fdf7f2 | 280 | #endif |
7c673cae FG |
281 | // distro info |
282 | distro_detect(m, cct); | |
283 | } | |
284 | ||
285 | void dump_services(Formatter* f, const map<string, list<int> >& services, const char* type) | |
286 | { | |
11fdf7f2 | 287 | ceph_assert(f); |
7c673cae FG |
288 | |
289 | f->open_object_section(type); | |
290 | for (map<string, list<int> >::const_iterator host = services.begin(); | |
291 | host != services.end(); ++host) { | |
292 | f->open_array_section(host->first.c_str()); | |
293 | const list<int>& hosted = host->second; | |
294 | for (list<int>::const_iterator s = hosted.begin(); | |
295 | s != hosted.end(); ++s) { | |
296 | f->dump_int(type, *s); | |
297 | } | |
298 | f->close_section(); | |
299 | } | |
300 | f->close_section(); | |
301 | } | |
302 | ||
11fdf7f2 TL |
303 | void dump_services(Formatter* f, const map<string, list<string> >& services, const char* type) |
304 | { | |
305 | ceph_assert(f); | |
306 | ||
307 | f->open_object_section(type); | |
308 | for (const auto& host : services) { | |
309 | f->open_array_section(host.first.c_str()); | |
310 | const auto& hosted = host.second; | |
311 | for (const auto& s : hosted) { | |
312 | f->dump_string(type, s); | |
313 | } | |
314 | f->close_section(); | |
315 | } | |
316 | f->close_section(); | |
317 | } | |
7c673cae FG |
318 | |
319 | // If non-printable characters found then convert bufferlist to | |
320 | // base64 encoded string indicating whether it did. | |
81eedcae | 321 | string cleanbin(bufferlist &bl, bool &base64, bool show) |
7c673cae FG |
322 | { |
323 | bufferlist::iterator it; | |
324 | for (it = bl.begin(); it != bl.end(); ++it) { | |
325 | if (iscntrl(*it)) | |
326 | break; | |
327 | } | |
328 | if (it == bl.end()) { | |
329 | base64 = false; | |
330 | string result(bl.c_str(), bl.length()); | |
331 | return result; | |
332 | } | |
333 | ||
334 | bufferlist b64; | |
335 | bl.encode_base64(b64); | |
336 | string encoded(b64.c_str(), b64.length()); | |
81eedcae TL |
337 | if (show) |
338 | encoded = "Base64:" + encoded; | |
7c673cae FG |
339 | base64 = true; |
340 | return encoded; | |
341 | } | |
342 | ||
343 | // If non-printable characters found then convert to "Base64:" followed by | |
344 | // base64 encoding | |
345 | string cleanbin(string &str) | |
346 | { | |
347 | bool base64; | |
348 | bufferlist bl; | |
349 | bl.append(str); | |
81eedcae | 350 | string result = cleanbin(bl, base64, true); |
7c673cae FG |
351 | return result; |
352 | } | |
181888fb FG |
353 | |
354 | std::string bytes2str(uint64_t count) { | |
355 | static char s[][2] = {"\0", "k", "M", "G", "T", "P", "E", "\0"}; | |
356 | int i = 0; | |
357 | while (count >= 1024 && *s[i+1]) { | |
358 | count >>= 10; | |
359 | i++; | |
360 | } | |
361 | char str[128]; | |
362 | snprintf(str, sizeof str, "%" PRIu64 "%sB", count, s[i]); | |
363 | return std::string(str); | |
364 | } |